Anna, the older twin, was
born three hours before her younger sister Lana. On Lana's 21st
birthday, they both went out to a club with some friends. The
bouncer was checking ID's and let Lana go in. But when the older
Anna tried to follow her in, the bouncer said, "I'm sorry,
your 21st birthday isn't for another two days."How
is this possible?Explain fully and correctly to win the contest.

The student parking lot has
81 cars in it; all Acuras, Beetles, and Camrys. There are half
as many Acuras as Beetles, and the number of Camrys is 80% of
the number of Acuras and Beetles together. How many of each kind
of car is in the parking lot?Show all steps to win contest!

A spider, in the top-left-front
corner of a 10 x 10 x 10 foot room, sees a big fat fly in the
bottom-right-back corner. Describe the shortest path, and the
length of the path, that the spider can crawl to get the fly.That's crawl, not jump, fly or spider-web
express! Your explanation must be clear. (Not affiliated with
the squished fly from Problem #2.) ;-}

A certain six-digit number
is split into two parts; the first three digits and the last
three digits are added (as 3-digit
numbers), the resulting
sum is squared, and the answer is the original 6-digit number!
What was the number? (There might
be more than one answer!)

In this year's Coupe du Monde
98, there are 4 teams in each Group, and they each play each
of the other 3 teams once. Here are the final "Pts standings"
of Groupe C, with the W . L . T
. PTS records (a win is 3 pts and a tie is 1 pt):

France. . . . . . . 3 . . 0
. . 0 . . 9

Denmark . . . . 1 . . 1 . .
1 . . 4

South Africa . .0 . . 1 . .
2 . . 2

Saudi Arabia. . 0 . . 2 . .
1 . . 1

How many "Pts standings"
are possible, and are any gettable in more than one way? (not counting order or particular teams) This one would be called 9-4-2-1.